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nikdorinn [45]
2 years ago
14

For glycolysis to produce ATP when no oxygen is present, it is necessary for cells to convert _____ to _____.

Biology
1 answer:
ivann1987 [24]2 years ago
6 0
The answer is D. NADH to NAD+

When no oxygen is present, anaerobic respiration occurs.It is the only way to produce ATP in this condition.NAD+ is necessary because it is converted into NADH and at the same time ADP is converted to ATP in the reaction of pyruvate synthesis from glucose.Therefore, NADH must be converted to NAD+ in order to have NAD+ always present in the cell.
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Do you think the wings of a Galapagos cormorant are vestigial structures?
Inga [223]

Answer:

The Galapagos cormorant has vestigial wings that don't help it to fly or swim, though the birds still dry them off in the sun after they get wet, just as if they would if they still could use them to fly. This species diverged into a flightless bird about 2 million years ago.

Explanation:

3 0
2 years ago
Newton’s first law of motion states than an object’s motion will not change unless
aleksklad [387]

Answer:

19. B a force continues to be applied to the object.

20. B massive force.

21. B inertia

22. C unbalanced force.

23. C friction

24. A balanced

25. C an outside force acts on it

26. B an equal and opposite reaction

27. A No, they are traveling in different directions.

28. A No, because the direction is different

29. A force

30. D Gravity

6 0
2 years ago
The process by which electrons from the quinone pool are forced against the thermodynamic gradient to reduce nad+ to nadh is cal
Lesechka [4]

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6 0
3 years ago
Differentiate between density-dependent and
Setler [38]

Answer/Explanation:

Density-dependent limiting factors are non living and biotic factors that affect the size and growth of a population based on the population density, while density-independent limiting factors are those factors that do not depend on the density of a population before they can have an effect on the growth and size of the population.

Examples of density-dependent limiting factors are predation, disease, Parasitism, competition. These rely on the density of a population in order to affect the growth and size of a population.

On the other hand, examples of density-independent limiting factors are pollution, flood, temperature.

8 0
3 years ago
Read 2 more answers
Write the balanced equation for the reaction between potassium nitrate and sodium below.
Stolb23 [73]
KCl + AgNO
3

→

KNO
3
+
AgCl

Explanation:
Formulas for the compounds:
KCl
:
potassium chloride (reactant)
AgNO
3
:
silver nitrate (reactant)
KNO
3
:
potassium nitrate (product)
AgCl
:
silver chloride (product)
KCl + AgNO
3

→

KNO
3
+
AgCl

If the compounds are in aqueous solution, then their physical states could be added.
KCl(aq) + AgNO
3
(
aq
)

→

KNO
3
(
aq
)
+
AgCl(s)

3 0
3 years ago
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